Vise.



FFICE.

JOHN R. LONG, OF WARREN, PENNSYLVANIA.

VISE.

SPECIFICATION forming part of Letters Patent No. 719,348, dated January27, 1903.

Application filed February 12,1902. Serial No. 93,672. (No model.)

To aZZ whom, it may concern:

Be it known that I, JOHN R. LONG, aciiizen of the United States,residing at Warren, in the county of lVarren and State of Pennsylvania,have invented certain new and useful Improvements in Vises; and Idodeclare that the following is a full, clear, and exact description ofthe invention, which will enable others skilled in the art to which itappertains to make and use the same.

My invention relates to improvements in Vises; and the inventionconsists in the construction of a vise substantially as shown anddescribed, and particularly pointed out in the claims.

In the accompanying drawings, Figure 1 is a side elevation of myimproved vise with a portion of the base-section broken away. Fig. 2 isplan view thereof. Fig. 3 is a perspective elevation of the inner end ofthe movable member of the vise, taken on a cross-section correspondingsubstantially to a; as, Fig. 1. Fig. 4 is a plan section of the innerends of both the movable and the fixed members on a line correspondingsubstantially to y y, Fig. 1. Fig. 5 is a vertical longitudinalsectional elevation of the inner portions or ends of both vise membersmodified in construction as compared with the foregoing figures; andFig. 6 is a cross-section of the parts shown in Fig. 5 corresponding toline a .2 Fig. 5.

In the construction thus shown I provide for what is properly a doublevise or a vise with a double set of jaws, one on each end of the twomembers A and (J. This affords a greatly increased or enlargedcapability or working capacity in a vise over a single and necessarilylimited set of jaws, as will be seen in the further description.

The main and so-oalled fixed member A is rotatably supported in or upona suitable base B, and the so-called movable member 0 is supported in orthrough memher A and is movable in respect thereto back and forth and isguided therein, as usual,

under control of screw D.

I do not particularize the construction whereby member A is madehorizontally rotatable on base 13 nor the means that are or may be usedfor possibly providing member A with a temporary lock against said base,for

these features are not of the subject-matter of this invention and maybemore or less varied and serve my purpose; but what I do claim as new isthe dual character of the visa, whereby work can be done with each oreither set of jaws, or What are referred to as inner jaws 2 and 3 andouter jaws 4 and 5, and which latter agree more particularly with thejaws ordinarily found in Vises.

The jaw member A, which is referred to herein as the fixed member, hastwo rearward horizontal project-ions or arms a and a, parallel to eachother and in the same vertical plane, and on the extremity of the lowerof said arms, preferably, though it might be on the upper one, ispivoted the jaw 2, referred to herein as one of the inner jaws of thevise. This part is supported on a bolt between ears 6 on the lower arm aand has a hole in its opposite end adapted to receive a bolt 7, engagedthrough a corresponding hole in cars 8 on upper arm a, whereby said jaw2 is supported in working position. Otherwise the said jaw may dropdown, as seen in Fig. 1, leaving the space between arms a and a open atthe end to enter an article thus to be clamped. The inner edge of jaw 2is curved lengthwise thereof and serrated at its engaging portion 9,which comes between arms a and a.

The extension or arms 0 of movable jaw member 0 is constructed andarranged to run between arms a and a and is hollow from the bottom, asshown in section, Fig. 3, to receive and accommodate screw D, by whichthe entire action of the movable member 0 is controlled. The said member0 is guided in awalled opening through memberA, as above indicated, sothat its arm 0 will hold its proper working position between arms a anda at all times without other guide or means of support.

The jaw or jaws 3 on arm extension 0 are shown here as attached partsdirectly to or upon the end of said arm and in prolongation thereof, andthey may be in one or two pieces, as preferred. In this instance theyare in two pieces, and jaw 2 is of a thickness corresponding to thespace between jaws 8, Fig. 4, and hence the saidjaws can be caused topass each other on their sides more or less, and thus reduce thegripping-space between tween them at their middle.

them down to the needs of the smallest article. The jaws 3 also arecurved lengthwise and serrated on theirinner gripping edges 10 to matchthe curved serrated edge 9 of jaw 2, and thus as said jaws come closerand closer together their gripping-surface is correspondingly reduceduntil at last a very small article can be engaged and held be- In suchcase the article might possibly be introduced laterally without openingjaw 2, and jaws 2 can be run back to receive a comparatively widearticle, as is obvious. I might of course form the jaws 3 directly in orupon the end of extension 0; but effective work suggests separate jawsof suitably-hardened steel,with an open space between their inner sidesvertically their fulldepth to permit the entrance of curved jaws 2between them.

In Figs. 5 and 6 I show a modification of the foregoing invention inwhich there are two raised inner jaws 12 and 14, the jaw 12 beingaffixed as a separate part to arms a forming an extension of fixedmember A, and the jaw 14 affixed to the extension 0 of movable memberO'; otherwise members A and 0, respectively, correspond to members A andC above; but in this modification the arms a of memberA are parallelhorizontally side by side instead of being one over the other and theextension 0 is supported between them. Jaws 12 and 14 are adapted toclamp closely together at their inlaid biting edges after the manner ofjaws 4 and 5 in both styles of the vise. Thus a double vise is formed bymeans of comparatively small addition to the vise structure, and therange of its adaptability and usefulness is greatly enhanced over a visewith a single set of aws.

The main jaws 4 and 5 are referred to as being at or upon the front ofthe members A and A and O and C, respectively, and the jaws 2 and 3 and12 and 14, respectively, as upon the rear of said parts, because mainjaws 4 and 5 are in the usual place of such jaws and the others are tothe rear thereof from this view; but by reason of the free rotation offixed members A and A the socalled inner or auxiliary jaws may be turnedhorizontally to the front for use. Arms (1 and a are defined as twoparts for convenience of description; but practically they are one ineffect and operation and are so considered in the claims unlessotherwise designated.

It will be observed that single screw D serves for both sets of jaws,front and rear,

because it alone actuates the movable member O or C.

In Figs. 5 and 6 the jaw 14 is shown as having a depending flange 16across the front of arm 0 on which are lugs 17 atits bottom, engagingupwardly against side arms ct This gives the said dog firmness of gripon arms 0?, and it may also have a rib 18, as shown, engaged in atransverse groove in the end of said arm to give it a firmer hold. Inthis instance a locking-dog II is set into the bottom of fixed member Aand adapted to engage against the edge of the base at its bottom andagainst the member A at its top when tilted, and thus frictionally lockthe part A against rotation. The screw D passes through a nut h, engagedloosely with the top of the 'said dog, so that the dog may beautomatically tilted to look when the screw is tightened.

What I claim is- 1. In a vise, a stationary base, a fixed member on saidbase having a jaw in front thereof and a rearward extension with a jawthereon in the rear of said base and a movable member having front andrear jaws, respectively, to cooperate with the jaws on the said fixedmember, in combination with ascrew having threaded connection with saidfixed member and free rotatable operative connection with said movablemember, substantially as described.

2. In Vises, a suitable base, a fixed member supported between its endson said base and horizontally rotatable thereon, and provided with a jawon each end, in combination with a movable member having two jawsmatching those on the fixed member, means to lock said fixed memberagainst rotation and a screw connected with said means and rotatable insaid movable member, substantially as described.

3. In a vise, a set of members having each an inner and an outer jaw, abase on which said members are rotatable to reverse the position of saidjaws, a dog to lock said members against rotation on said base, and asingle screw engaging both jaw members and having a bearing operativelyconnected with said dog, substantially as described.

4. A vise comprising an integral fixed member having a main jaw at oneend and an auxiliary jaw at its other end, in combination with anintegral movable member having a fixed and an auxiliary jaw matching thecorresponding jaws of the fixed member, one of said auxiliary jaws beingindependently pivoted to swing open to enter an article to be clampedand a clamping-screw lengthwise of said members and engaged with both,substantially as described.

5. The fixed member having a main jaw and a setof arms extendingrearward therefrom and provided with an auxiliary jaw, in combinationwith a movable member having a main jaw and an arm between the arms ofthe fixed member and an auxiliary jaw on its extremity to cooperate withthe auxiliary jaw on the said fixed member, substantially as described.

Witness my hand to the foregoing specification this 27th day of January,1902.

JOHN R. LONG.

Witnesses:

R. B. MosER, T. M. MADDEN.

ICC

